Vocal Tract Area Estimation by Gradient Descent Supplement

Example 1 Subjective Ratings

Data Plot

Example 1 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed

Example 2 Subjective Ratings

Data Plot

Example 2 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed

Example 3 Subjective Ratings

Data Plot

Example 3 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed

Example 4 Subjective Ratings

Data Plot

Example 4 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed

Example 5 Subjective Ratings

Data Plot

Example 5 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed

Example 6 Subjective Ratings

Data Plot

Example 6 Audio

	Original
	Genetic
	CNN
	PSO
	Proposed